Overview
The LB1999M is a 3-phase brushless motor driver that is particularly appropriate for VCR capstan motor drivers.

Functions
• 3-phase full-wave drive
• Built-in torque ripple correction circuit (fixed correction ratio)
• Built-in current limiter circuit and control characteristics that include gain switching
• Upper and lower side output stage over-saturation prevention circuit that does not require external capacitors.
• FG amplifier with built-in Schmitt comparator
• Thermal shutdown circuit